Defining Noise Index in Abdominal CT: A Comprehensive Analysis Using Liver and Kidney as Regions of Interests

This review delves into the intricate realm of noise index calculation in abdominal CT imaging. The noise index, a vital metric in medical imaging, serves as a bridge between image quality and patient safety, guiding the delicate balance between accurate diagnoses and controlled radiation exposure. The study emphasizes the pivotal role of noise indices in optimizing personalized imaging protocols, where considerations of patient-specific factors, acquisition parameters, and reconstruction techniques intersect. The study highlights the challenges in noise index calculation, underscored by the multifaceted influence of patient variability and technical intricacies. Ethical dimensions are acknowledged, emphasizing compliance with privacy regulations and ethical guidelines in the pursuit of personalized imaging practices. Notably, the review unveils potential research avenues, ranging from patient-specific variability exploration to advanced reconstruction techniques, poised to redefine noise index calculation and its clinical implications.In parallel, the study accentuates the necessity of continuous imaging protocol enhancement for superior patient care. Evolving imaging technologies and research drive the iterative refinement of protocols, ensuring enhanced diagnostic accuracy, radiation dose optimization, and streamlined workflows. The profound impact on patient experience and clinical research is acknowledged, as protocol optimization fuels a positive patient journey and contributes to robust scientific investigations.